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0465302881 - ESAB Replacement Main Transformer Complete 380-575V

Packaging: pack of 1
$1,209.41/EA $745.16/pack of 1 only $745.16/EASave 38%

Usually ships within 3-5 business days

OVERVIEW

Restore Your Welder's Power with the ESAB 0465302881 Transformer

When your industrial welder goes down, production stops, and time is money. If you've traced the problem back to a blown or failing transformer, the ESAB 0465302881 is the factory-correct replacement you need to get back to burning rod and laying beads. Designed for machines running on 380V to 575V power, this transformer is the heart of your power source, converting raw input electricity into the smooth, controllable current you rely on for quality welds.

Why stick with OEM? Welding machines are finely tuned systems. A generic transformer might fit physically, but if the inductance or voltage ratios aren't perfect, you'll notice it in the arc. You might experience hard starts, an unstable puddle, or spatter that you can't tune out. By installing this genuine ESAB part, you are guaranteeing that your machine will weld exactly the way it did the day it left the factory. It handles the heat and stress of long shifts, ensuring that your duty cycle isn't compromised.

Symptoms of a bad transformer can range from a machine that simply won't turn on, to one that hums loudly without producing output, or constantly trips the breaker. If you are experiencing these issues, a diagnostic check is in order. Once confirmed, swapping in this new unit is the best way to protect the rest of your machine's electronics. A failing transformer can sometimes damage rectifier bridges or PC boards if left unchecked.

This unit comes ready to install, built tough to survive the shop environment. Don't risk your weld quality or your safety with salvaged or mismatched parts. Invest in the longevity of your equipment with the ESAB 0465302881 and get back to work with confidence.

Additional Information
Voltage:380-575 V
Brand:ESAB
Packaging Description:1 Per Ea

INCLUDED

  • 1 x Complete Transformer Assembly (380-575V)

APPLICATIONS

  • Repair of ESAB industrial welding power sources
  • Replacement of failed or shorted main transformers
  • Restoration of machines operating on 380V, 460V, or 575V input power
  • Maintenance of heavy-duty fabrication equipment

FAQ

This transformer is designed for input voltages between 380V and 575V.

Yes, this is a genuine OEM replacement part manufactured by ESAB.

Please consult your welding machine's parts manual or contact support with your machine's serial number to confirm compatibility.

Common symptoms include loud humming or buzzing, the machine tripping breakers immediately, smoke or burning smells, or zero welding output despite the fan running.

Due to the high voltages involved (up to 575V), installation should be performed by a certified electrician or qualified welding machine repair technician.

Yes, genuine ESAB parts typically carry a manufacturer's warranty against defects in material and workmanship.

The 'Complete' designation usually implies the assembly is ready to mount, but you should generally retain your existing bolts and hardware just in case.

If your current transformer has shorted turns or insulation breakdown, replacing it will restore proper voltage and arc stability. However, other issues like bad rectifiers can cause similar symptoms.